critical
9.8
CWE
78 77
Advisory Published
Updated

CVE-2018-21162: OS Command Injection

First published: Thu Apr 23 2020(Updated: )

Certain NETGEAR devices are affected by command injection by an unauthenticated attacker. This affects D6400 before 1.0.0.78, EX6200 before 1.0.3.86, EX7000 before 1.0.0.64, R6250 before 1.0.4.8, R6300v2 before 1.0.4.6, R6400 before 1.0.1.12, R6700 before 1.0.1.16, R7000 before 1.0.7.10, R7100LG before 1.0.0.42, R7300DST before 1.0.0.44, R7900 before 1.0.1.12, R8000 before 1.0.3.36, R8300 before 1.0.2.74, R8500 before 1.0.2.74, WNDR3400v3 before 1.0.1.14, and WNR3500Lv2 before 1.2.0.48.

Credit: cve@mitre.org

Affected SoftwareAffected VersionHow to fix
NETGEAR D6400<1.0.0.78
NETGEAR D6400 firmware
NETGEAR EX6200<1.0.3.86
NETGEAR EX6200v1
NETGEAR EX7000 firmware<1.0.0.64
NETGEAR EX7000 firmware
Netgear R6250 Firmware<1.0.4.8
NETGEAR R6250
NETGEAR R6300 firmware<1.0.4.6
NETGEAR R6300 firmware=v2
NETGEAR R6400 firmware<1.0.1.12
NETGEAR R6400 firmware
NETGEAR R6700 firmware<1.0.1.16
NETGEAR R6700v1 firmware
NETGEAR Nighthawk R7000<1.0.7.10
NETGEAR Nighthawk R7000
NETGEAR R7100LG firmware<1.0.0.42
Netgear R7100LG
NETGEAR R7300DST firmware<1.0.0.44
NETGEAR R7300DST firmware
NETGEAR R7900P firmware<1.0.1.12
NETGEAR R7900P firmware
NETGEAR R8000 firmware<1.0.3.36
NETGEAR R8000 firmware
NETGEAR R8300 firmware<1.0.2.74
NETGEAR R8300 firmware
NETGEAR R8500<1.0.2.74
NETGEAR R8500
NETGEAR WNDR3400<1.0.1.14
NETGEAR WNDR3400 firmware=v3
NETGEAR WNR3500L<1.2.0.48
NETGEAR WNR3500L firmware=v2

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Reference Links

Frequently Asked Questions

  • What is CVE-2018-21162?

    CVE-2018-21162 is a vulnerability that allows an unauthenticated attacker to execute arbitrary commands on certain NETGEAR devices.

  • Which NETGEAR devices are affected by CVE-2018-21162?

    The affected devices include D6400 before 1.0.0.78, EX6200 before 1.0.3.86, EX7000 before 1.0.0.64, R6250 before 1.0.4.8, R6300v2 before 1.0.4.6, R6400 before 1.0.1.12, R6700 before 1.0.1.16, R7000 before 1.0.7.10, and R7100LG before 1.0.0.42.

  • What is the severity of CVE-2018-21162?

    The severity of CVE-2018-21162 is critical with a CVSS score of 9.8.

  • How can an attacker exploit CVE-2018-21162?

    An unauthenticated attacker can exploit CVE-2018-21162 by injecting and executing arbitrary commands on the affected NETGEAR devices.

  • Is there a fix available for CVE-2018-21162?

    Yes, NETGEAR has released firmware updates to mitigate the vulnerability. It is recommended to update the firmware of the affected devices to the latest available version.

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